Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985606 | Multi-ply film susceptor for microwave cooking | — | 1991-01-15 |
| 4495749 | Food tray and packaging process | — | 1985-01-29 |
| 4403548 | Printing plate for linear bar symbol code | — | 1983-09-13 |
| 4355755 | Food tray | — | 1982-10-26 |
| 4349124 | Composite paperboard tray | — | 1982-09-14 |
| D261989 | Blank for a two compartment box | — | 1981-11-24 |
| D261358 | Blank for three compartment box | — | 1981-10-20 |
| 4265390 | Paperboard tray | William M. Tolaas | 1981-05-05 |
| 4260060 | Food carton for microwave heating | — | 1981-04-07 |
| 4257530 | Lined tray | — | 1981-03-24 |
| 4241863 | Container with multiple compartments | — | 1980-12-30 |
| 4221320 | Composite including tray restrained with outer cover | — | 1980-09-09 |
| D256437 | Tray blank | William M. Tolaas | 1980-08-19 |
| 4200481 | Apparatus for making a lined tray | — | 1980-04-29 |